A younger brother and sister live with their older sister, parents and grandmother who all have personality problems. One night, Akira sees his mom holding a straw doll, and then the next day, their grandmother disappears.

One day, Satoshi Kazama goes out with his friends as his dad drives the car. They get in a car accident, and Satoshi's friends are killed. The mother of one of his friends calls upon Hell Girl with the intention of banishing Satoshi to Hell. However, Michiru finds out what really happened in the car accident...